http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4c0cfa5/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html index 40d4a2d..50a85d6 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/ParseFilter.html @@ -30,881 +30,882 @@ <span class="sourceLineNo">022</span>import java.lang.reflect.Method;<a name="line.22"></a> <span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a> <span class="sourceLineNo">024</span>import java.nio.charset.CharacterCodingException;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.util.EmptyStackException;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.util.HashMap;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.util.Map;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.Set;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.Stack;<a name="line.31"></a> -<span class="sourceLineNo">032</span><a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.commons.logging.Log;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.commons.logging.LogFactory;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.CompareOperator;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a> -<span class="sourceLineNo">039</span><a name="line.39"></a> -<span class="sourceLineNo">040</span>/**<a name="line.40"></a> -<span class="sourceLineNo">041</span> * This class allows a user to specify a filter via a string<a name="line.41"></a> -<span class="sourceLineNo">042</span> * The string is parsed using the methods of this class and<a name="line.42"></a> -<span class="sourceLineNo">043</span> * a filter object is constructed. This filter object is then wrapped<a name="line.43"></a> -<span class="sourceLineNo">044</span> * in a scanner object which is then returned<a name="line.44"></a> -<span class="sourceLineNo">045</span> * <p><a name="line.45"></a> -<span class="sourceLineNo">046</span> * This class addresses the HBASE-4168 JIRA. More documentation on this<a name="line.46"></a> -<span class="sourceLineNo">047</span> * Filter Language can be found at: https://issues.apache.org/jira/browse/HBASE-4176<a name="line.47"></a> -<span class="sourceLineNo">048</span> */<a name="line.48"></a> -<span class="sourceLineNo">049</span>@InterfaceAudience.Public<a name="line.49"></a> -<span class="sourceLineNo">050</span>public class ParseFilter {<a name="line.50"></a> -<span class="sourceLineNo">051</span> private static final Log LOG = LogFactory.getLog(ParseFilter.class);<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span> private static HashMap<ByteBuffer, Integer> operatorPrecedenceHashMap;<a name="line.53"></a> -<span class="sourceLineNo">054</span> private static HashMap<String, String> filterHashMap;<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> static {<a name="line.56"></a> -<span class="sourceLineNo">057</span> // Registers all the filter supported by the Filter Language<a name="line.57"></a> -<span class="sourceLineNo">058</span> filterHashMap = new HashMap<>();<a name="line.58"></a> -<span class="sourceLineNo">059</span> filterHashMap.put("KeyOnlyFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.59"></a> -<span class="sourceLineNo">060</span> "KeyOnlyFilter");<a name="line.60"></a> -<span class="sourceLineNo">061</span> filterHashMap.put("FirstKeyOnlyFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.61"></a> -<span class="sourceLineNo">062</span> "FirstKeyOnlyFilter");<a name="line.62"></a> -<span class="sourceLineNo">063</span> filterHashMap.put("PrefixFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.63"></a> -<span class="sourceLineNo">064</span> "PrefixFilter");<a name="line.64"></a> -<span class="sourceLineNo">065</span> filterHashMap.put("ColumnPrefixFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.65"></a> -<span class="sourceLineNo">066</span> "ColumnPrefixFilter");<a name="line.66"></a> -<span class="sourceLineNo">067</span> filterHashMap.put("MultipleColumnPrefixFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.67"></a> -<span class="sourceLineNo">068</span> "MultipleColumnPrefixFilter");<a name="line.68"></a> -<span class="sourceLineNo">069</span> filterHashMap.put("ColumnCountGetFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.69"></a> -<span class="sourceLineNo">070</span> "ColumnCountGetFilter");<a name="line.70"></a> -<span class="sourceLineNo">071</span> filterHashMap.put("PageFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.71"></a> -<span class="sourceLineNo">072</span> "PageFilter");<a name="line.72"></a> -<span class="sourceLineNo">073</span> filterHashMap.put("ColumnPaginationFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.73"></a> -<span class="sourceLineNo">074</span> "ColumnPaginationFilter");<a name="line.74"></a> -<span class="sourceLineNo">075</span> filterHashMap.put("InclusiveStopFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.75"></a> -<span class="sourceLineNo">076</span> "InclusiveStopFilter");<a name="line.76"></a> -<span class="sourceLineNo">077</span> filterHashMap.put("TimestampsFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.77"></a> -<span class="sourceLineNo">078</span> "TimestampsFilter");<a name="line.78"></a> -<span class="sourceLineNo">079</span> filterHashMap.put("RowFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.79"></a> -<span class="sourceLineNo">080</span> "RowFilter");<a name="line.80"></a> -<span class="sourceLineNo">081</span> filterHashMap.put("FamilyFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.81"></a> -<span class="sourceLineNo">082</span> "FamilyFilter");<a name="line.82"></a> -<span class="sourceLineNo">083</span> filterHashMap.put("QualifierFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.83"></a> -<span class="sourceLineNo">084</span> "QualifierFilter");<a name="line.84"></a> -<span class="sourceLineNo">085</span> filterHashMap.put("ValueFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.85"></a> -<span class="sourceLineNo">086</span> "ValueFilter");<a name="line.86"></a> -<span class="sourceLineNo">087</span> filterHashMap.put("ColumnRangeFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.87"></a> -<span class="sourceLineNo">088</span> "ColumnRangeFilter");<a name="line.88"></a> -<span class="sourceLineNo">089</span> filterHashMap.put("SingleColumnValueFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.89"></a> -<span class="sourceLineNo">090</span> "SingleColumnValueFilter");<a name="line.90"></a> -<span class="sourceLineNo">091</span> filterHashMap.put("SingleColumnValueExcludeFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.91"></a> -<span class="sourceLineNo">092</span> "SingleColumnValueExcludeFilter");<a name="line.92"></a> -<span class="sourceLineNo">093</span> filterHashMap.put("DependentColumnFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.93"></a> -<span class="sourceLineNo">094</span> "DependentColumnFilter");<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> // Creates the operatorPrecedenceHashMap<a name="line.96"></a> -<span class="sourceLineNo">097</span> operatorPrecedenceHashMap = new HashMap<>();<a name="line.97"></a> -<span class="sourceLineNo">098</span> operatorPrecedenceHashMap.put(ParseConstants.SKIP_BUFFER, 1);<a name="line.98"></a> -<span class="sourceLineNo">099</span> operatorPrecedenceHashMap.put(ParseConstants.WHILE_BUFFER, 1);<a name="line.99"></a> -<span class="sourceLineNo">100</span> operatorPrecedenceHashMap.put(ParseConstants.AND_BUFFER, 2);<a name="line.100"></a> -<span class="sourceLineNo">101</span> operatorPrecedenceHashMap.put(ParseConstants.OR_BUFFER, 3);<a name="line.101"></a> -<span class="sourceLineNo">102</span> }<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span> /**<a name="line.104"></a> -<span class="sourceLineNo">105</span> * Parses the filterString and constructs a filter using it<a name="line.105"></a> -<span class="sourceLineNo">106</span> * <p><a name="line.106"></a> -<span class="sourceLineNo">107</span> * @param filterString filter string given by the user<a name="line.107"></a> -<span class="sourceLineNo">108</span> * @return filter object we constructed<a name="line.108"></a> -<span class="sourceLineNo">109</span> */<a name="line.109"></a> -<span class="sourceLineNo">110</span> public Filter parseFilterString (String filterString)<a name="line.110"></a> -<span class="sourceLineNo">111</span> throws CharacterCodingException {<a name="line.111"></a> -<span class="sourceLineNo">112</span> return parseFilterString(Bytes.toBytes(filterString));<a name="line.112"></a> -<span class="sourceLineNo">113</span> }<a name="line.113"></a> -<span class="sourceLineNo">114</span><a name="line.114"></a> -<span class="sourceLineNo">115</span> /**<a name="line.115"></a> -<span class="sourceLineNo">116</span> * Parses the filterString and constructs a filter using it<a name="line.116"></a> -<span class="sourceLineNo">117</span> * <p><a name="line.117"></a> -<span class="sourceLineNo">118</span> * @param filterStringAsByteArray filter string given by the user<a name="line.118"></a> -<span class="sourceLineNo">119</span> * @return filter object we constructed<a name="line.119"></a> -<span class="sourceLineNo">120</span> */<a name="line.120"></a> -<span class="sourceLineNo">121</span> public Filter parseFilterString (byte [] filterStringAsByteArray)<a name="line.121"></a> -<span class="sourceLineNo">122</span> throws CharacterCodingException {<a name="line.122"></a> -<span class="sourceLineNo">123</span> // stack for the operators and parenthesis<a name="line.123"></a> -<span class="sourceLineNo">124</span> Stack <ByteBuffer> operatorStack = new Stack<>();<a name="line.124"></a> -<span class="sourceLineNo">125</span> // stack for the filter objects<a name="line.125"></a> -<span class="sourceLineNo">126</span> Stack <Filter> filterStack = new Stack<>();<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> Filter filter = null;<a name="line.128"></a> -<span class="sourceLineNo">129</span> for (int i=0; i<filterStringAsByteArray.length; i++) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> if (filterStringAsByteArray[i] == ParseConstants.LPAREN) {<a name="line.130"></a> -<span class="sourceLineNo">131</span> // LPAREN found<a name="line.131"></a> -<span class="sourceLineNo">132</span> operatorStack.push(ParseConstants.LPAREN_BUFFER);<a name="line.132"></a> -<span class="sourceLineNo">133</span> } else if (filterStringAsByteArray[i] == ParseConstants.WHITESPACE ||<a name="line.133"></a> -<span class="sourceLineNo">134</span> filterStringAsByteArray[i] == ParseConstants.TAB) {<a name="line.134"></a> -<span class="sourceLineNo">135</span> // WHITESPACE or TAB found<a name="line.135"></a> -<span class="sourceLineNo">136</span> continue;<a name="line.136"></a> -<span class="sourceLineNo">137</span> } else if (checkForOr(filterStringAsByteArray, i)) {<a name="line.137"></a> -<span class="sourceLineNo">138</span> // OR found<a name="line.138"></a> -<span class="sourceLineNo">139</span> i += ParseConstants.OR_ARRAY.length - 1;<a name="line.139"></a> -<span class="sourceLineNo">140</span> reduce(operatorStack, filterStack, ParseConstants.OR_BUFFER);<a name="line.140"></a> -<span class="sourceLineNo">141</span> operatorStack.push(ParseConstants.OR_BUFFER);<a name="line.141"></a> -<span class="sourceLineNo">142</span> } else if (checkForAnd(filterStringAsByteArray, i)) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> // AND found<a name="line.143"></a> -<span class="sourceLineNo">144</span> i += ParseConstants.AND_ARRAY.length - 1;<a name="line.144"></a> -<span class="sourceLineNo">145</span> reduce(operatorStack, filterStack, ParseConstants.AND_BUFFER);<a name="line.145"></a> -<span class="sourceLineNo">146</span> operatorStack.push(ParseConstants.AND_BUFFER);<a name="line.146"></a> -<span class="sourceLineNo">147</span> } else if (checkForSkip(filterStringAsByteArray, i)) {<a name="line.147"></a> -<span class="sourceLineNo">148</span> // SKIP found<a name="line.148"></a> -<span class="sourceLineNo">149</span> i += ParseConstants.SKIP_ARRAY.length - 1;<a name="line.149"></a> -<span class="sourceLineNo">150</span> reduce(operatorStack, filterStack, ParseConstants.SKIP_BUFFER);<a name="line.150"></a> -<span class="sourceLineNo">151</span> operatorStack.push(ParseConstants.SKIP_BUFFER);<a name="line.151"></a> -<span class="sourceLineNo">152</span> } else if (checkForWhile(filterStringAsByteArray, i)) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> // WHILE found<a name="line.153"></a> -<span class="sourceLineNo">154</span> i += ParseConstants.WHILE_ARRAY.length - 1;<a name="line.154"></a> -<span class="sourceLineNo">155</span> reduce(operatorStack, filterStack, ParseConstants.WHILE_BUFFER);<a name="line.155"></a> -<span class="sourceLineNo">156</span> operatorStack.push(ParseConstants.WHILE_BUFFER);<a name="line.156"></a> -<span class="sourceLineNo">157</span> } else if (filterStringAsByteArray[i] == ParseConstants.RPAREN) {<a name="line.157"></a> -<span class="sourceLineNo">158</span> // RPAREN found<a name="line.158"></a> -<span class="sourceLineNo">159</span> if (operatorStack.empty()) {<a name="line.159"></a> -<span class="sourceLineNo">160</span> throw new IllegalArgumentException("Mismatched parenthesis");<a name="line.160"></a> -<span class="sourceLineNo">161</span> }<a name="line.161"></a> -<span class="sourceLineNo">162</span> ByteBuffer argumentOnTopOfStack = operatorStack.peek();<a name="line.162"></a> -<span class="sourceLineNo">163</span> if (argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER)) {<a name="line.163"></a> -<span class="sourceLineNo">164</span> operatorStack.pop();<a name="line.164"></a> -<span class="sourceLineNo">165</span> continue;<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span> while (!(argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER))) {<a name="line.167"></a> -<span class="sourceLineNo">168</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.168"></a> -<span class="sourceLineNo">169</span> if (operatorStack.empty()) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> throw new IllegalArgumentException("Mismatched parenthesis");<a name="line.170"></a> -<span class="sourceLineNo">171</span> }<a name="line.171"></a> -<span class="sourceLineNo">172</span> argumentOnTopOfStack = operatorStack.pop();<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span> } else {<a name="line.174"></a> -<span class="sourceLineNo">175</span> // SimpleFilterExpression found<a name="line.175"></a> -<span class="sourceLineNo">176</span> byte [] filterSimpleExpression = extractFilterSimpleExpression(filterStringAsByteArray, i);<a name="line.176"></a> -<span class="sourceLineNo">177</span> i+= (filterSimpleExpression.length - 1);<a name="line.177"></a> -<span class="sourceLineNo">178</span> filter = parseSimpleFilterExpression(filterSimpleExpression);<a name="line.178"></a> -<span class="sourceLineNo">179</span> filterStack.push(filter);<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span> }<a name="line.181"></a> -<span class="sourceLineNo">182</span><a name="line.182"></a> -<span class="sourceLineNo">183</span> // Finished parsing filterString<a name="line.183"></a> -<span class="sourceLineNo">184</span> while (!operatorStack.empty()) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span> if (filterStack.empty()) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span> filter = filterStack.pop();<a name="line.190"></a> -<span class="sourceLineNo">191</span> if (!filterStack.empty()) {<a name="line.191"></a> -<span class="sourceLineNo">192</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.192"></a> -<span class="sourceLineNo">193</span> }<a name="line.193"></a> -<span class="sourceLineNo">194</span> return filter;<a name="line.194"></a> -<span class="sourceLineNo">195</span> }<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span>/**<a name="line.197"></a> -<span class="sourceLineNo">198</span> * Extracts a simple filter expression from the filter string given by the user<a name="line.198"></a> -<span class="sourceLineNo">199</span> * <p><a name="line.199"></a> -<span class="sourceLineNo">200</span> * A simpleFilterExpression is of the form: FilterName('arg', 'arg', 'arg')<a name="line.200"></a> -<span class="sourceLineNo">201</span> * The user given filter string can have many simpleFilterExpressions combined<a name="line.201"></a> -<span class="sourceLineNo">202</span> * using operators.<a name="line.202"></a> -<span class="sourceLineNo">203</span> * <p><a name="line.203"></a> -<span class="sourceLineNo">204</span> * This function extracts a simpleFilterExpression from the<a name="line.204"></a> -<span class="sourceLineNo">205</span> * larger filterString given the start offset of the simpler expression<a name="line.205"></a> -<span class="sourceLineNo">206</span> * <p><a name="line.206"></a> -<span class="sourceLineNo">207</span> * @param filterStringAsByteArray filter string given by the user<a name="line.207"></a> -<span class="sourceLineNo">208</span> * @param filterExpressionStartOffset start index of the simple filter expression<a name="line.208"></a> -<span class="sourceLineNo">209</span> * @return byte array containing the simple filter expression<a name="line.209"></a> -<span class="sourceLineNo">210</span> */<a name="line.210"></a> -<span class="sourceLineNo">211</span> public byte [] extractFilterSimpleExpression (byte [] filterStringAsByteArray,<a name="line.211"></a> -<span class="sourceLineNo">212</span> int filterExpressionStartOffset)<a name="line.212"></a> -<span class="sourceLineNo">213</span> throws CharacterCodingException {<a name="line.213"></a> -<span class="sourceLineNo">214</span> int quoteCount = 0;<a name="line.214"></a> -<span class="sourceLineNo">215</span> for (int i=filterExpressionStartOffset; i<filterStringAsByteArray.length; i++) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE) {<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (isQuoteUnescaped(filterStringAsByteArray, i)) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> quoteCount ++;<a name="line.218"></a> -<span class="sourceLineNo">219</span> } else {<a name="line.219"></a> -<span class="sourceLineNo">220</span> // To skip the next quote that has been escaped<a name="line.220"></a> -<span class="sourceLineNo">221</span> i++;<a name="line.221"></a> -<span class="sourceLineNo">222</span> }<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span> if (filterStringAsByteArray[i] == ParseConstants.RPAREN && (quoteCount %2 ) == 0) {<a name="line.224"></a> -<span class="sourceLineNo">225</span> byte [] filterSimpleExpression = new byte [i - filterExpressionStartOffset + 1];<a name="line.225"></a> -<span class="sourceLineNo">226</span> Bytes.putBytes(filterSimpleExpression, 0, filterStringAsByteArray,<a name="line.226"></a> -<span class="sourceLineNo">227</span> filterExpressionStartOffset, i-filterExpressionStartOffset + 1);<a name="line.227"></a> -<span class="sourceLineNo">228</span> return filterSimpleExpression;<a name="line.228"></a> -<span class="sourceLineNo">229</span> }<a name="line.229"></a> -<span class="sourceLineNo">230</span> }<a name="line.230"></a> -<span class="sourceLineNo">231</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.231"></a> -<span class="sourceLineNo">232</span> }<a name="line.232"></a> -<span class="sourceLineNo">233</span><a name="line.233"></a> -<span class="sourceLineNo">234</span>/**<a name="line.234"></a> -<span class="sourceLineNo">235</span> * Constructs a filter object given a simple filter expression<a name="line.235"></a> -<span class="sourceLineNo">236</span> * <p><a name="line.236"></a> -<span class="sourceLineNo">237</span> * @param filterStringAsByteArray filter string given by the user<a name="line.237"></a> -<span class="sourceLineNo">238</span> * @return filter object we constructed<a name="line.238"></a> -<span class="sourceLineNo">239</span> */<a name="line.239"></a> -<span class="sourceLineNo">240</span> public Filter parseSimpleFilterExpression (byte [] filterStringAsByteArray)<a name="line.240"></a> -<span class="sourceLineNo">241</span> throws CharacterCodingException {<a name="line.241"></a> -<span class="sourceLineNo">242</span><a name="line.242"></a> -<span class="sourceLineNo">243</span> String filterName = Bytes.toString(getFilterName(filterStringAsByteArray));<a name="line.243"></a> -<span class="sourceLineNo">244</span> ArrayList<byte []> filterArguments = getFilterArguments(filterStringAsByteArray);<a name="line.244"></a> -<span class="sourceLineNo">245</span> if (!filterHashMap.containsKey(filterName)) {<a name="line.245"></a> -<span class="sourceLineNo">246</span> throw new IllegalArgumentException("Filter Name " + filterName + " not supported");<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span> try {<a name="line.248"></a> -<span class="sourceLineNo">249</span> filterName = filterHashMap.get(filterName);<a name="line.249"></a> -<span class="sourceLineNo">250</span> Class<?> c = Class.forName(filterName);<a name="line.250"></a> -<span class="sourceLineNo">251</span> Class<?>[] argTypes = new Class [] {ArrayList.class};<a name="line.251"></a> -<span class="sourceLineNo">252</span> Method m = c.getDeclaredMethod("createFilterFromArguments", argTypes);<a name="line.252"></a> -<span class="sourceLineNo">253</span> return (Filter) m.invoke(null,filterArguments);<a name="line.253"></a> -<span class="sourceLineNo">254</span> } catch (ClassNotFoundException e) {<a name="line.254"></a> -<span class="sourceLineNo">255</span> e.printStackTrace();<a name="line.255"></a> -<span class="sourceLineNo">256</span> } catch (NoSuchMethodException e) {<a name="line.256"></a> -<span class="sourceLineNo">257</span> e.printStackTrace();<a name="line.257"></a> -<span class="sourceLineNo">258</span> } catch (IllegalAccessException e) {<a name="line.258"></a> -<span class="sourceLineNo">259</span> e.printStackTrace();<a name="line.259"></a> -<span class="sourceLineNo">260</span> } catch (InvocationTargetException e) {<a name="line.260"></a> -<span class="sourceLineNo">261</span> e.printStackTrace();<a name="line.261"></a> -<span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span> throw new IllegalArgumentException("Incorrect filter string " +<a name="line.263"></a> -<span class="sourceLineNo">264</span> new String(filterStringAsByteArray));<a name="line.264"></a> -<span class="sourceLineNo">265</span> }<a name="line.265"></a> -<span class="sourceLineNo">266</span><a name="line.266"></a> -<span class="sourceLineNo">267</span>/**<a name="line.267"></a> -<span class="sourceLineNo">268</span> * Returns the filter name given a simple filter expression<a name="line.268"></a> -<span class="sourceLineNo">269</span> * <p><a name="line.269"></a> -<span class="sourceLineNo">270</span> * @param filterStringAsByteArray a simple filter expression<a name="line.270"></a> -<span class="sourceLineNo">271</span> * @return name of filter in the simple filter expression<a name="line.271"></a> -<span class="sourceLineNo">272</span> */<a name="line.272"></a> -<span class="sourceLineNo">273</span> public static byte [] getFilterName (byte [] filterStringAsByteArray) {<a name="line.273"></a> -<span class="sourceLineNo">274</span> int filterNameStartIndex = 0;<a name="line.274"></a> -<span class="sourceLineNo">275</span> int filterNameEndIndex = 0;<a name="line.275"></a> -<span class="sourceLineNo">276</span><a name="line.276"></a> -<span class="sourceLineNo">277</span> for (int i=filterNameStartIndex; i<filterStringAsByteArray.length; i++) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> if (filterStringAsByteArray[i] == ParseConstants.LPAREN ||<a name="line.278"></a> -<span class="sourceLineNo">279</span> filterStringAsByteArray[i] == ParseConstants.WHITESPACE) {<a name="line.279"></a> -<span class="sourceLineNo">280</span> filterNameEndIndex = i;<a name="line.280"></a> -<span class="sourceLineNo">281</span> break;<a name="line.281"></a> -<span class="sourceLineNo">282</span> }<a name="line.282"></a> -<span class="sourceLineNo">283</span> }<a name="line.283"></a> -<span class="sourceLineNo">284</span><a name="line.284"></a> -<span class="sourceLineNo">285</span> if (filterNameEndIndex == 0) {<a name="line.285"></a> -<span class="sourceLineNo">286</span> throw new IllegalArgumentException("Incorrect Filter Name");<a name="line.286"></a> -<span class="sourceLineNo">287</span> }<a name="line.287"></a> -<span class="sourceLineNo">288</span><a name="line.288"></a> -<span class="sourceLineNo">289</span> byte [] filterName = new byte[filterNameEndIndex - filterNameStartIndex];<a name="line.289"></a> -<span class="sourceLineNo">290</span> Bytes.putBytes(filterName, 0, filterStringAsByteArray, 0,<a name="line.290"></a> -<span class="sourceLineNo">291</span> filterNameEndIndex - filterNameStartIndex);<a name="line.291"></a> -<span class="sourceLineNo">292</span> return filterName;<a name="line.292"></a> -<span class="sourceLineNo">293</span> }<a name="line.293"></a> -<span class="sourceLineNo">294</span><a name="line.294"></a> -<span class="sourceLineNo">295</span>/**<a name="line.295"></a> -<span class="sourceLineNo">296</span> * Returns the arguments of the filter from the filter string<a name="line.296"></a> -<span class="sourceLineNo">297</span> * <p><a name="line.297"></a> -<span class="sourceLineNo">298</span> * @param filterStringAsByteArray filter string given by the user<a name="line.298"></a> -<span class="sourceLineNo">299</span> * @return an ArrayList containing the arguments of the filter in the filter string<a name="line.299"></a> -<span class="sourceLineNo">300</span> */<a name="line.300"></a> -<span class="sourceLineNo">301</span> public static ArrayList<byte []> getFilterArguments (byte [] filterStringAsByteArray) {<a name="line.301"></a> -<span class="sourceLineNo">302</span> int argumentListStartIndex = Bytes.searchDelimiterIndex(filterStringAsByteArray, 0,<a name="line.302"></a> -<span class="sourceLineNo">303</span> filterStringAsByteArray.length,<a name="line.303"></a> -<span class="sourceLineNo">304</span> ParseConstants.LPAREN);<a name="line.304"></a> -<span class="sourceLineNo">305</span> if (argumentListStartIndex == -1) {<a name="line.305"></a> -<span class="sourceLineNo">306</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.306"></a> -<span class="sourceLineNo">307</span> }<a name="line.307"></a> -<span class="sourceLineNo">308</span><a name="line.308"></a> -<span class="sourceLineNo">309</span> int argumentStartIndex = 0;<a name="line.309"></a> -<span class="sourceLineNo">310</span> int argumentEndIndex = 0;<a name="line.310"></a> -<span class="sourceLineNo">311</span> ArrayList<byte []> filterArguments = new ArrayList<>();<a name="line.311"></a> -<span class="sourceLineNo">312</span><a name="line.312"></a> -<span class="sourceLineNo">313</span> for (int i = argumentListStartIndex + 1; i<filterStringAsByteArray.length; i++) {<a name="line.313"></a> -<span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> if (filterStringAsByteArray[i] == ParseConstants.WHITESPACE ||<a name="line.315"></a> -<span class="sourceLineNo">316</span> filterStringAsByteArray[i] == ParseConstants.COMMA ||<a name="line.316"></a> -<span class="sourceLineNo">317</span> filterStringAsByteArray[i] == ParseConstants.RPAREN) {<a name="line.317"></a> -<span class="sourceLineNo">318</span> continue;<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> // The argument is in single quotes - for example 'prefix'<a name="line.321"></a> -<span class="sourceLineNo">322</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE) {<a name="line.322"></a> -<span class="sourceLineNo">323</span> argumentStartIndex = i;<a name="line.323"></a> -<span class="sourceLineNo">324</span> for (int j = argumentStartIndex+1; j < filterStringAsByteArray.length; j++) {<a name="line.324"></a> -<span class="sourceLineNo">325</span> if (filterStringAsByteArray[j] == ParseConstants.SINGLE_QUOTE) {<a name="line.325"></a> -<span class="sourceLineNo">326</span> if (isQuoteUnescaped(filterStringAsByteArray,j)) {<a name="line.326"></a> -<span class="sourceLineNo">327</span> argumentEndIndex = j;<a name="line.327"></a> -<span class="sourceLineNo">328</span> i = j+1;<a name="line.328"></a> -<span class="sourceLineNo">329</span> byte [] filterArgument = createUnescapdArgument(filterStringAsByteArray,<a name="line.329"></a> -<span class="sourceLineNo">330</span> argumentStartIndex, argumentEndIndex);<a name="line.330"></a> -<span class="sourceLineNo">331</span> filterArguments.add(filterArgument);<a name="line.331"></a> -<span class="sourceLineNo">332</span> break;<a name="line.332"></a> -<span class="sourceLineNo">333</span> } else {<a name="line.333"></a> -<span class="sourceLineNo">334</span> // To jump over the second escaped quote<a name="line.334"></a> -<span class="sourceLineNo">335</span> j++;<a name="line.335"></a> -<span class="sourceLineNo">336</span> }<a name="line.336"></a> -<span class="sourceLineNo">337</span> } else if (j == filterStringAsByteArray.length - 1) {<a name="line.337"></a> -<span class="sourceLineNo">338</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span> }<a name="line.340"></a> -<span class="sourceLineNo">341</span> } else {<a name="line.341"></a> -<span class="sourceLineNo">342</span> // The argument is an integer, boolean, comparison operator like <, >, != etc<a name="line.342"></a> -<span class="sourceLineNo">343</span> argumentStartIndex = i;<a name="line.343"></a> -<span class="sourceLineNo">344</span> for (int j = argumentStartIndex; j < filterStringAsByteArray.length; j++) {<a name="line.344"></a> -<span class="sourceLineNo">345</span> if (filterStringAsByteArray[j] == ParseConstants.WHITESPACE ||<a name="line.345"></a> -<span class="sourceLineNo">346</span> filterStringAsByteArray[j] == ParseConstants.COMMA ||<a name="line.346"></a> -<span class="sourceLineNo">347</span> filterStringAsByteArray[j] == ParseConstants.RPAREN) {<a name="line.347"></a> -<span class="sourceLineNo">348</span> argumentEndIndex = j - 1;<a name="line.348"></a> -<span class="sourceLineNo">349</span> i = j;<a name="line.349"></a> -<span class="sourceLineNo">350</span> byte [] filterArgument = new byte [argumentEndIndex - argumentStartIndex + 1];<a name="line.350"></a> -<span class="sourceLineNo">351</span> Bytes.putBytes(filterArgument, 0, filterStringAsByteArray,<a name="line.351"></a> -<span class="sourceLineNo">352</span> argumentStartIndex, argumentEndIndex - argumentStartIndex + 1);<a name="line.352"></a> -<span class="sourceLineNo">353</span> filterArguments.add(filterArgument);<a name="line.353"></a> -<span class="sourceLineNo">354</span> break;<a name="line.354"></a> -<span class="sourceLineNo">355</span> } else if (j == filterStringAsByteArray.length - 1) {<a name="line.355"></a> -<span class="sourceLineNo">356</span> throw new IllegalArgumentException("Incorrect argument list");<a name="line.356"></a> -<span class="sourceLineNo">357</span> }<a name="line.357"></a> -<span class="sourceLineNo">358</span> }<a name="line.358"></a> -<span class="sourceLineNo">359</span> }<a name="line.359"></a> -<span class="sourceLineNo">360</span> }<a name="line.360"></a> -<span class="sourceLineNo">361</span> return filterArguments;<a name="line.361"></a> -<span class="sourceLineNo">362</span> }<a name="line.362"></a> -<span class="sourceLineNo">363</span><a name="line.363"></a> -<span class="sourceLineNo">364</span>/**<a name="line.364"></a> -<span class="sourceLineNo">365</span> * This function is called while parsing the filterString and an operator is parsed<a name="line.365"></a> -<span class="sourceLineNo">366</span> * <p><a name="line.366"></a> -<span class="sourceLineNo">367</span> * @param operatorStack the stack containing the operators and parenthesis<a name="line.367"></a> -<span class="sourceLineNo">368</span> * @param filterStack the stack containing the filters<a name="line.368"></a> -<span class="sourceLineNo">369</span> * @param operator the operator found while parsing the filterString<a name="line.369"></a> -<span class="sourceLineNo">370</span> */<a name="line.370"></a> -<span class="sourceLineNo">371</span> public void reduce(Stack<ByteBuffer> operatorStack,<a name="line.371"></a> -<span class="sourceLineNo">372</span> Stack<Filter> filterStack,<a name="line.372"></a> -<span class="sourceLineNo">373</span> ByteBuffer operator) {<a name="line.373"></a> -<span class="sourceLineNo">374</span> while (!operatorStack.empty() &&<a name="line.374"></a> -<span class="sourceLineNo">375</span> !(ParseConstants.LPAREN_BUFFER.equals(operatorStack.peek())) &&<a name="line.375"></a> -<span class="sourceLineNo">376</span> hasHigherPriority(operatorStack.peek(), operator)) {<a name="line.376"></a> -<span class="sourceLineNo">377</span> filterStack.push(popArguments(operatorStack, filterStack));<a name="line.377"></a> -<span class="sourceLineNo">378</span> }<a name="line.378"></a> -<span class="sourceLineNo">379</span> }<a name="line.379"></a> -<span class="sourceLineNo">380</span><a name="line.380"></a> -<span class="sourceLineNo">381</span> /**<a name="line.381"></a> -<span class="sourceLineNo">382</span> * Pops an argument from the operator stack and the number of arguments required by the operator<a name="line.382"></a> -<span class="sourceLineNo">383</span> * from the filterStack and evaluates them<a name="line.383"></a> -<span class="sourceLineNo">384</span> * <p><a name="line.384"></a> -<span class="sourceLineNo">385</span> * @param operatorStack the stack containing the operators<a name="line.385"></a> -<span class="sourceLineNo">386</span> * @param filterStack the stack containing the filters<a name="line.386"></a> -<span class="sourceLineNo">387</span> * @return the evaluated filter<a name="line.387"></a> -<span class="sourceLineNo">388</span> */<a name="line.388"></a> -<span class="sourceLineNo">389</span> public static Filter popArguments (Stack<ByteBuffer> operatorStack, Stack <Filter> filterStack) {<a name="line.389"></a> -<span class="sourceLineNo">390</span> ByteBuffer argumentOnTopOfStack = operatorStack.peek();<a name="line.390"></a> -<span class="sourceLineNo">391</span><a name="line.391"></a> -<span class="sourceLineNo">392</span> if (argumentOnTopOfStack.equals(ParseConstants.OR_BUFFER)) {<a name="line.392"></a> -<span class="sourceLineNo">393</span> // The top of the stack is an OR<a name="line.393"></a> -<span class="sourceLineNo">394</span> try {<a name="line.394"></a> -<span class="sourceLineNo">395</span> ArrayList<Filter> listOfFilters = new ArrayList<>();<a name="line.395"></a> -<span class="sourceLineNo">396</span> while (!operatorStack.empty() && operatorStack.peek().equals(ParseConstants.OR_BUFFER)) {<a name="line.396"></a> -<span class="sourceLineNo">397</span> Filter filter = filterStack.pop();<a name="line.397"></a> -<span class="sourceLineNo">398</span> listOfFilters.add(0, filter);<a name="line.398"></a> -<span class="sourceLineNo">399</span> operatorStack.pop();<a name="line.399"></a> -<span class="sourceLineNo">400</span> }<a name="line.400"></a> -<span class="sourceLineNo">401</span> Filter filter = filterStack.pop();<a name="line.401"></a> -<span class="sourceLineNo">402</span> listOfFilters.add(0, filter);<a name="line.402"></a> -<span class="sourceLineNo">403</span> Filter orFilter = new FilterList(FilterList.Operator.MUST_PASS_ONE, listOfFilters);<a name="line.403"></a> -<span class="sourceLineNo">404</span> return orFilter;<a name="line.404"></a> -<span class="sourceLineNo">405</span> } catch (EmptyStackException e) {<a name="line.405"></a> -<span class="sourceLineNo">406</span> throw new IllegalArgumentException("Incorrect input string - an OR needs two filters");<a name="line.406"></a> -<span class="sourceLineNo">407</span> }<a name="line.407"></a> -<span class="sourceLineNo">408</span><a name="line.408"></a> -<span class="sourceLineNo">409</span> } else if (argumentOnTopOfStack.equals(ParseConstants.AND_BUFFER)) {<a name="line.409"></a> -<span class="sourceLineNo">410</span> // The top of the stack is an AND<a name="line.410"></a> -<span class="sourceLineNo">411</span> try {<a name="line.411"></a> -<span class="sourceLineNo">412</span> ArrayList<Filter> listOfFilters = new ArrayList<>();<a name="line.412"></a> -<span class="sourceLineNo">413</span> while (!operatorStack.empty() && operatorStack.peek().equals(ParseConstants.AND_BUFFER)) {<a name="line.413"></a> -<span class="sourceLineNo">414</span> Filter filter = filterStack.pop();<a name="line.414"></a> -<span class="sourceLineNo">415</span> listOfFilters.add(0, filter);<a name="line.415"></a> -<span class="sourceLineNo">416</span> operatorStack.pop();<a name="line.416"></a> -<span class="sourceLineNo">417</span> }<a name="line.417"></a> -<span class="sourceLineNo">418</span> Filter filter = filterStack.pop();<a name="line.418"></a> -<span class="sourceLineNo">419</span> listOfFilters.add(0, filter);<a name="line.419"></a> -<span class="sourceLineNo">420</span> Filter andFilter = new FilterList(FilterList.Operator.MUST_PASS_ALL, listOfFilters);<a name="line.420"></a> -<span class="sourceLineNo">421</span> return andFilter;<a name="line.421"></a> -<span class="sourceLineNo">422</span> } catch (EmptyStackException e) {<a name="line.422"></a> -<span class="sourceLineNo">423</span> throw new IllegalArgumentException("Incorrect input string - an AND needs two filters");<a name="line.423"></a> -<span class="sourceLineNo">424</span> }<a name="line.424"></a> -<span class="sourceLineNo">425</span><a name="line.425"></a> -<span class="sourceLineNo">426</span> } else if (argumentOnTopOfStack.equals(ParseConstants.SKIP_BUFFER)) {<a name="line.426"></a> -<span class="sourceLineNo">427</span> // The top of the stack is a SKIP<a name="line.427"></a> -<span class="sourceLineNo">428</span> try {<a name="line.428"></a> -<span class="sourceLineNo">429</span> Filter wrappedFilter = filterStack.pop();<a name="line.429"></a> -<span class="sourceLineNo">430</span> Filter skipFilter = new SkipFilter(wrappedFilter);<a name="line.430"></a> -<span class="sourceLineNo">431</span> operatorStack.pop();<a name="line.431"></a> -<span class="sourceLineNo">432</span> return skipFilter;<a name="line.432"></a> -<span class="sourceLineNo">433</span> } catch (EmptyStackException e) {<a name="line.433"></a> -<span class="sourceLineNo">434</span> throw new IllegalArgumentException("Incorrect input string - a SKIP wraps a filter");<a name="line.434"></a> -<span class="sourceLineNo">435</span> }<a name="line.435"></a> -<span class="sourceLineNo">436</span><a name="line.436"></a> -<span class="sourceLineNo">437</span> } else if (argumentOnTopOfStack.equals(ParseConstants.WHILE_BUFFER)) {<a name="line.437"></a> -<span class="sourceLineNo">438</span> // The top of the stack is a WHILE<a name="line.438"></a> -<span class="sourceLineNo">439</span> try {<a name="line.439"></a> -<span class="sourceLineNo">440</span> Filter wrappedFilter = filterStack.pop();<a name="line.440"></a> -<span class="sourceLineNo">441</span> Filter whileMatchFilter = new WhileMatchFilter(wrappedFilter);<a name="line.441"></a> -<span class="sourceLineNo">442</span> operatorStack.pop();<a name="line.442"></a> -<span class="sourceLineNo">443</span> return whileMatchFilter;<a name="line.443"></a> -<span class="sourceLineNo">444</span> } catch (EmptyStackException e) {<a name="line.444"></a> -<span class="sourceLineNo">445</span> throw new IllegalArgumentException("Incorrect input string - a WHILE wraps a filter");<a name="line.445"></a> -<span class="sourceLineNo">446</span> }<a name="line.446"></a> -<span class="sourceLineNo">447</span><a name="line.447"></a> -<span class="sourceLineNo">448</span> } else if (argumentOnTopOfStack.equals(ParseConstants.LPAREN_BUFFER)) {<a name="line.448"></a> -<span class="sourceLineNo">449</span> // The top of the stack is a LPAREN<a name="line.449"></a> -<span class="sourceLineNo">450</span> try {<a name="line.450"></a> -<span class="sourceLineNo">451</span> Filter filter = filterStack.pop();<a name="line.451"></a> -<span class="sourceLineNo">452</span> operatorStack.pop();<a name="line.452"></a> -<span class="sourceLineNo">453</span> return filter;<a name="line.453"></a> -<span class="sourceLineNo">454</span> } catch (EmptyStackException e) {<a name="line.454"></a> -<span class="sourceLineNo">455</span> throw new IllegalArgumentException("Incorrect Filter String");<a name="line.455"></a> -<span class="sourceLineNo">456</span> }<a name="line.456"></a> -<span class="sourceLineNo">457</span><a name="line.457"></a> -<span class="sourceLineNo">458</span> } else {<a name="line.458"></a> -<span class="sourceLineNo">459</span> throw new IllegalArgumentException("Incorrect arguments on operatorStack");<a name="line.459"></a> -<span class="sourceLineNo">460</span> }<a name="line.460"></a> -<span class="sourceLineNo">461</span> }<a name="line.461"></a> -<span class="sourceLineNo">462</span><a name="line.462"></a> -<span class="sourceLineNo">463</span>/**<a name="line.463"></a> -<span class="sourceLineNo">464</span> * Returns which operator has higher precedence<a name="line.464"></a> -<span class="sourceLineNo">465</span> * <p><a name="line.465"></a> -<span class="sourceLineNo">466</span> * If a has higher precedence than b, it returns true<a name="line.466"></a> -<span class="sourceLineNo">467</span> * If they have the same precedence, it returns false<a name="line.467"></a> -<span class="sourceLineNo">468</span> */<a name="line.468"></a> -<span class="sourceLineNo">469</span> public boolean hasHigherPriority(ByteBuffer a, ByteBuffer b) {<a name="line.469"></a> -<span class="sourceLineNo">470</span> if ((operatorPrecedenceHashMap.get(a) - operatorPrecedenceHashMap.get(b)) < 0) {<a name="line.470"></a> -<span class="sourceLineNo">471</span> return true;<a name="line.471"></a> -<span class="sourceLineNo">472</span> }<a name="line.472"></a> -<span class="sourceLineNo">473</span> return false;<a name="line.473"></a> -<span class="sourceLineNo">474</span> }<a name="line.474"></a> -<span class="sourceLineNo">475</span><a name="line.475"></a> -<span class="sourceLineNo">476</span>/**<a name="line.476"></a> -<span class="sourceLineNo">477</span> * Removes the single quote escaping a single quote - thus it returns an unescaped argument<a name="line.477"></a> -<span class="sourceLineNo">478</span> * <p><a name="line.478"></a> -<span class="sourceLineNo">479</span> * @param filterStringAsByteArray filter string given by user<a name="line.479"></a> -<span class="sourceLineNo">480</span> * @param argumentStartIndex start index of the argument<a name="line.480"></a> -<span class="sourceLineNo">481</span> * @param argumentEndIndex end index of the argument<a name="line.481"></a> -<span class="sourceLineNo">482</span> * @return returns an unescaped argument<a name="line.482"></a> -<span class="sourceLineNo">483</span> */<a name="line.483"></a> -<span class="sourceLineNo">484</span> public static byte [] createUnescapdArgument (byte [] filterStringAsByteArray,<a name="line.484"></a> -<span class="sourceLineNo">485</span> int argumentStartIndex, int argumentEndIndex) {<a name="line.485"></a> -<span class="sourceLineNo">486</span> int unescapedArgumentLength = 2;<a name="line.486"></a> -<span class="sourceLineNo">487</span> for (int i = argumentStartIndex + 1; i <= argumentEndIndex - 1; i++) {<a name="line.487"></a> -<span class="sourceLineNo">488</span> unescapedArgumentLength ++;<a name="line.488"></a> -<span class="sourceLineNo">489</span> if (filterStringAsByteArray[i] == ParseConstants.SINGLE_QUOTE &&<a name="line.489"></a> -<span class="sourceLineNo">490</span> i != (argumentEndIndex - 1) &&<a name="line.490"></a> -<span class="sourceLineNo">491</span> filterStringAsByteArray[i+1] == ParseConstants.SINGLE_QUOTE) {<a name="line.491"></a> -<span class="sourceLineNo">492</span> i++;<a name="line.492"></a> -<span class="sourceLineNo">493</span> continue;<a name="line.493"></a> -<span class="sourceLineNo">494</span> }<a name="line.494"></a> -<span class="sourceLineNo">495</span> }<a name="line.495"></a> -<span class="sourceLineNo">496</span><a name="line.496"></a> -<span class="sourceLineNo">497</span> byte [] unescapedArgument = new byte [unescapedArgumentLength];<a name="line.497"></a> -<span class="sourceLineNo">498</span> int count = 1;<a name="line.498"></a> -<span class="sourceLineNo">499</span> unescapedArgument[0] = '\'';<a name="line.499"></a> -<span class="sourceLineNo">500</span> for (int i = argumentStartIndex + 1; i <= argumentEndIndex - 1; i++) {<a name="line.500"></a> -<span class="sourceLineNo">501</span> if (filterStringAsByteArray [i] == ParseConstants.SINGLE_QUOTE &&<a name="line.501"></a> -<span class="sourceLineNo">502</span> i != (argumentEndIndex - 1) &&<a name="line.502"></a> -<span class="sourceLineNo">503</span> filterStringAsByteArray [i+1] == ParseConstants.SINGLE_QUOTE) {<a name="line.503"></a> -<span class="sourceLineNo">504</span> unescapedArgument[count++] = filterStringAsByteArray [i+1];<a name="line.504"></a> -<span class="sourceLineNo">505</span> i++;<a name="line.505"></a> -<span class="sourceLineNo">506</span> }<a name="line.506"></a> -<span class="sourceLineNo">507</span> else {<a name="line.507"></a> -<span class="sourceLineNo">508</span> unescapedArgument[count++] = filterStringAsByteArray [i];<a name="line.508"></a> -<span class="sourceLineNo">509</span> }<a name="line.509"></a> -<span class="sourceLineNo">510</span> }<a name="line.510"></a> -<span class="sourceLineNo">511</span> unescapedArgument[unescapedArgumentLength - 1] = '\'';<a name="line.511"></a> -<span class="sourceLineNo">512</span> return unescapedArgument;<a name="line.512"></a> -<span class="sourceLineNo">513</span> }<a name="line.513"></a> -<span class="sourceLineNo">514</span><a name="line.514"></a> -<span class="sourceLineNo">515</span>/**<a name="line.515"></a> -<span class="sourceLineNo">516</span> * Checks if the current index of filter string we are on is the beginning of the keyword 'OR'<a name="line.516"></a> -<span class="sourceLineNo">517</span> * <p><a name="line.517"></a> -<span class="sourceLineNo">518</span> * @param filterStringAsByteArray filter string given by the user<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @param indexOfOr index at which an 'O' was read<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @return true if the keyword 'OR' is at the current index<a name="line.520"></a> -<span class="sourceLineNo">521</span> */<a name="line.521"></a> -<span class="sourceLineNo">522</span> public static boolean checkForOr (byte [] filterStringAsByteArray, int indexOfOr)<a name="line.522"></a> -<span class="sourceLineNo">523</span> throws CharacterCodingException, ArrayIndexOutOfBoundsException {<a name="line.523"></a> -<span class="sourceLineNo">524</span><a name="line.524"></a> -<span class="sourceLineNo">525</span> try {<a name="line.525"></a> -<span class="sourceLineNo">526</span> if (filterStringAsByteArray[indexOfOr] == ParseConstants.O &&<a name="line.526"></a> -<span class="sourceLineNo">527</span> filterStringAsByteArray[indexOfOr+1] == ParseConstants.R &&<a name="line.527"></a> -<span class="sourceLineNo">528</span> (filterStringAsByteArray[indexOfOr-1] == ParseConstants.WHITESPACE ||<a name="line.528"></a> -<span class="sourceLineNo">529</span> filterStringAsByteArray[indexOfOr-1] == ParseConstants.RPAREN) &&<a name="line.529"></a> -<span class="sourceLineNo">530</span> (filterStringAsByteArray[indexOfOr+2] == ParseConstants.WHITESPACE ||<a name="line.530"></a> -<span class="sourceLineNo">531</span> filterStringAsByteArray[indexOfOr+2] == ParseConstants.LPAREN)) {<a name="line.531"></a> -<span class="sourceLineNo">532</span> return true;<a name="line.532"></a> -<span class="sourceLineNo">533</span> } else {<a name="line.533"></a> -<span class="sourceLineNo">534</span> return false;<a name="line.534"></a> -<span class="sourceLineNo">535</span> }<a name="line.535"></a> -<span class="sourceLineNo">536</span> } catch (ArrayIndexOutOfBoundsException e) {<a name="line.536"></a> -<span class="sourceLineNo">537</span> return false;<a name="line.537"></a> -<span class="sourceLineNo">538</span> }<a name="line.538"></a> -<span class="sourceLineNo">539</span> }<a name="line.539"></a> -<span class="sourceLineNo">540</span><a name="line.540"></a> -<span class="sourceLineNo">541</span>/**<a name="line.541"></a> -<span class="sourceLineNo">542</span> * Checks if the current index of filter string we are on is the beginning of the keyword 'AND'<a name="line.542"></a> -<span class="sourceLineNo">543</span> * <p><a name="line.543"></a> -<span class="sourceLineNo">544</span> * @param filterStringAsByteArray filter string given by the user<a name="line.544"></a> -<span class="sourceLineNo">545</span> * @param indexOfAnd index at which an 'A' was read<a name="line.545"></a> -<span class="sourceLineNo">546</span> * @return true if the keyword 'AND' is at the current index<a name="line.546"></a> -<span class="sourceLineNo">547</span> */<a name="line.547"></a> -<span class="sourceLineNo">548</span> public static boolean checkForAnd (byte [] filterStringAsByteArray, int indexOfAnd)<a name="line.548"></a> -<span class="sourceLineNo">549</span> throws CharacterCodingException {<a name="line.549"></a> -<span class="sourceLineNo">550</span><a name="line.550"></a> -<span class="sourceLineNo">551</span> try {<a name="line.551"></a> -<span class="sourceLineNo">552</span> if (filterStringAsByteArray[indexOfAnd] == ParseConstants.A &&<a name="line.552"></a> -<span class="sourceLineNo">553</span> filterStringAsByteArray[indexOfAnd+1] == ParseConstants.N &&<a name="line.553"></a> -<span class="sourceLineNo">554</span> filterStringAsByteArray[indexOfAnd+2] == ParseConstants.D &&<a name="line.554"></a> -<span class="sourceLineNo">555</span> (filterStringAsByteArray[indexOfAnd-1] == ParseConstants.WHITESPACE ||<a name="line.555"></a> -<span class="sourceLineNo">556</span> filterStringAsByteArray[indexOfAnd-1] == ParseConstants.RPAREN) &&<a name="line.556"></a> -<span class="sourceLineNo">557</span> (filterStringAsByteArray[indexOfAnd+3] == ParseConstants.WHITESPACE ||<a name="line.557"></a> -<span class="sourceLineNo">558</span> filterStringAsByteArray[indexOfAnd+3] == ParseConstants.LPAREN)) {<a name="line.558"></a> -<span class="sourceLineNo">559</span> return true;<a name="line.559"></a> -<span class="sourceLineNo">560</span> } else {<a name="line.560"></a> -<span class="sourceLineNo">561</span> return false;<a name="line.561"></a> -<span class="sourceLineNo">562</span> }<a name="line.562"></a> -<span class="sourceLineNo">563</span> } catch (ArrayIndexOutOfBoundsException e) {<a name="line.563"></a> -<span class="sourceLineNo">564</span> return false;<a name="line.564"></a> -<span class="sourceLineNo">565</span> }<a name="line.565"></a> -<span class="sourceLineNo">566</span> }<a name="line.566"></a> -<span class="sourceLineNo">567</span><a name="line.567"></a> -<span class="sourceLineNo">568</span>/**<a name="line.568"></a> -<span class="sourceLineNo">569</span> * Checks if the current index of filter string we are on is the beginning of the keyword 'SKIP'<a name="line.569"></a> -<span class="sourceLineNo">570</span> * <p><a name="line.570"></a> -<span class="sourceLineNo">571</span> * @param filterStringAsByteArray filter string given by the user<a name="line.571"></a> -<span class="sourceLineNo">572</span> * @param indexOfSkip index at which an 'S' was read<a name="line.572"></a> -<span class="sourceLineNo">573</span> * @return true if the keyword 'SKIP' is at the current index<a name="line.573"></a> -<span class="sourceLineNo">574</span> */<a name="line.574"></a> -<span class="sourceLineNo">575</span> public static boolean checkForSkip (byte [] filterStringAsByteArray, int indexOfSkip)<a name="line.575"></a> -<span class="sourceLineNo">576</span> throws CharacterCodingException {<a name="line.576"></a> -<span class="sourceLineNo">577</span><a name="line.577"></a> -<span class="sourceLineNo">578</span> try {<a name="line.578"></a> -<span class="sourceLineNo">579</span> if (filterStringAsByteArray[indexOfSkip] == ParseConstants.S &&<a name="line.579"></a> -<span class="sourceLineNo">580</span> filterStringAsByteArray[indexOfSkip+1] == ParseConstants.K &&<a name="line.580"></a> -<span class="sourceLineNo">581</span> filterStringAsByteArray[indexOfSkip+2] == ParseConstants.I &&<a name="line.581"></a> -<span class="sourceLineNo">582</span> filterStringAsByteArray[indexOfSkip+3] == ParseConstants.P &&<a name="line.582"></a> -<span class="sourceLineNo">583</span> (indexOfSkip == 0 ||<a name="line.583"></a> -<span class="sourceLineNo">584</span> filterStringAsByteArray[indexOfSkip-1] == ParseConstants.WHITESPACE ||<a name="line.584"></a> -<span class="sourceLineNo">585</span> filterStringAsByteArray[indexOfSkip-1] == ParseConstants.RPAREN ||<a name="line.585"></a> -<span class="sourceLineNo">586</span> filterStringAsByteArray[indexOfSkip-1] == ParseConstants.LPAREN) &&<a name="line.586"></a> -<span class="sourceLineNo">587</span> (filterStringAsByteArray[indexOfSkip+4] == ParseConstants.WHITESPACE ||<a name="line.587"></a> -<span class="sourceLineNo">588</span> filterStringAsByteArray[indexOfSkip+4] == ParseConstants.LPAREN)) {<a name="line.588"></a> -<span class="sourceLineNo">589</span> return true;<a name="line.589"></a> -<span class="sourceLineNo">590</span> } else {<a name="line.590"></a> -<span class="sourceLineNo">591</span> return false;<a name="line.591"></a> -<span class="sourceLineNo">592</span> }<a name="line.592"></a> -<span class="sourceLineNo">593</span> } catch (ArrayIndexOutOfBoundsException e) {<a name="line.593"></a> -<span class="sourceLineNo">594</span> return false;<a name="line.594"></a> -<span class="sourceLineNo">595</span> }<a name="line.595"></a> -<span class="sourceLineNo">596</span> }<a name="line.596"></a> -<span class="sourceLineNo">597</span><a name="line.597"></a> -<span class="sourceLineNo">598</span>/**<a name="line.598"></a> -<span class="sourceLineNo">599</span> * Checks if the current index of filter string we are on is the beginning of the keyword 'WHILE'<a name="line.599"></a> -<span class="sourceLineNo">600</span> * <p><a name="line.600"></a> -<span class="sourceLineNo">601</span> * @param filterStringAsByteArray filter string given by the user<a name="line.601"></a> -<span class="sourceLineNo">602</span> * @param indexOfWhile index at which an 'W' was read<a name="line.602"></a> -<span class="sourceLineNo">603</span> * @return true if the keyword 'WHILE' is at the current index<a name="line.603"></a> -<span class="sourceLineNo">604</span> */<a name="line.604"></a> -<span class="sourceLineNo">605</span> public static boolean checkForWhile (byte [] filterStringAsByteArray, int indexOfWhile)<a name="line.605"></a> -<span class="sourceLineNo">606</span> throws CharacterCodingException {<a name="line.606"></a> -<span class="sourceLineNo">607</span><a name="line.607"></a> -<span class="sourceLineNo">608</span> try {<a name="line.608"></a> -<span class="sourceLineNo">609</span> if (filterStringAsByteArray[indexOfWhile] == ParseConstants.W &&<a name="line.609"></a> -<span class="sourceLineNo">610</span> filterStringAsByteArray[indexOfWhile+1] == ParseConstants.H &&<a name="line.610"></a> -<span class="sourceLineNo">611</span> filterStringAsByteArray[indexOfWhile+2] == ParseConstants.I &&<a name="line.611"></a> -<span class="sourceLineNo">612</span> filterStringAsByteArray[indexOfWhile+3] == ParseConstants.L &&<a name="line.612"></a> -<span class="sourceLineNo">613</span> filterStringAsByteArray[indexOfWhile+4] == ParseConstants.E &&<a name="line.613"></a> -<span class="sourceLineNo">614</span> (indexOfWhile == 0 || filterStringAsByteArray[indexOfWhile-1] == ParseConstants.WHITESPACE<a name="line.614"></a> -<span class="sourceLineNo">615</span> || filterStringAsByteArray[indexOfWhile-1] == ParseConstants.RPAREN ||<a name="line.615"></a> -<span class="sourceLineNo">616</span> filterStringAsByteArray[indexOfWhile-1] == ParseConstants.LPAREN) &&<a name="line.616"></a> -<span class="sourceLineNo">617</span> (filterStringAsByteArray[indexOfWhile+5] == ParseConstants.WHITESPACE ||<a name="line.617"></a> -<span class="sourceLineNo">618</span> filterStringAsByteArray[indexOfWhile+5] == ParseConstants.LPAREN)) {<a name="line.618"></a> -<span class="sourceLineNo">619</span> return true;<a name="line.619"></a> -<span class="sourceLineNo">620</span> } else {<a name="line.620"></a> -<span class="sourceLineNo">621</span> return false;<a name="line.621"></a> -<span class="sourceLineNo">622</span> }<a name="line.622"></a> -<span class="sourceLineNo">623</span> } catch (ArrayIndexOutOfBoundsException e) {<a name="line.623"></a> -<span class="sourceLineNo">624</span> return false;<a name="line.624"></a> -<span class="sourceLineNo">625</span> }<a name="line.625"></a> -<span class="sourceLineNo">626</span> }<a name="line.626"></a> -<span class="sourceLineNo">627</span><a name="line.627"></a> -<span class="sourceLineNo">628</span>/**<a name="line.628"></a> -<span class="sourceLineNo">629</span> * Returns a boolean indicating whether the quote was escaped or not<a name="line.629"></a> -<span class="sourceLineNo">630</span> * <p><a name="line.630"></a> -<span class="sourceLineNo">631</span> * @param array byte array in which the quote was found<a name="line.631"></a> -<span class="sourceLineNo">632</span> * @param quoteIndex index of the single quote<a name="line.632"></a> -<span class="sourceLineNo">633</span> * @return returns true if the quote was unescaped<a name="line.633"></a> -<span class="sourceLineNo">634</span> */<a name="line.634"></a> -<span class="sourceLineNo">635</span> public static boolean isQuoteUnescaped (byte [] array, int quoteIndex) {<a name="line.635"></a> -<span class="sourceLineNo">636</span> if (array == null) {<a name="line.636"></a> -<span class="sourceLineNo">637</span> throw new IllegalArgumentException("isQuoteUnescaped called with a null array");<a name="line.637"></a> -<span class="sourceLineNo">638</span> }<a name="line.638"></a> -<span class="sourceLineNo">639</span><a name="line.639"></a> -<span class="sourceLineNo">640</span> if (quoteIndex == array.length - 1 || array[quoteIndex+1] != ParseConstants.SINGLE_QUOTE) {<a name="line.640"></a> -<span class="sourceLineNo">641</span> return true;<a name="line.641"></a> -<span class="sourceLineNo">642</span> }<a name="line.642"></a> -<span class="sourceLineNo">643</span> else {<a name="line.643"></a> -<span class="sourceLineNo">644</span> return false;<a name="line.644"></a> -<span class="sourceLineNo">645</span> }<a name="line.645"></a> -<span class="sourceLineNo">646</span> }<a name="line.646"></a> -<span class="sourceLineNo">647</span><a name="line.647"></a> -<span class="sourceLineNo">648</span>/**<a name="line.648"></a> -<span class="sourceLineNo">649</span> * Takes a quoted byte array and converts it into an unquoted byte array<a name="line.649"></a> -<span class="sourceLineNo">650</span> * For example: given a byte array representing 'abc', it returns a<a name="line.650"></a> -<span class="sourceLineNo">651</span> * byte array representing abc<a name="line.651"></a> -<span class="sourceLineNo">652</span> * <p><a name="line.652"></a> -<span class="sourceLineNo">653</span> * @param quotedByteArray the quoted byte array<a name="line.653"></a> -<span class="sourceLineNo">654</span> * @return Unquoted byte array<a name="line.654"></a> -<span class="sourceLineNo">655</span> */<a name="line.655"></a> -<span class="sourceLineNo">656</span> public static byte [] removeQuotesFromByteArray (byte [] quotedByteArray) {<a name="line.656"></a> -<span class="sourceLineNo">657</span> if (quotedByteArray == null ||<a name="line.657"></a> -<span class="sourceLineNo">658</span> quotedByteArray.length < 2 ||<a name="line.658"></a> -<span class="sourceLineNo">659</span> quotedByteArray[0] != ParseConstants.SINGLE_QUOTE ||<a name="line.659"></a> -<span class="sourceLineNo">660</span> quotedByteArray[quotedByteArray.length - 1] != ParseConstants.SINGLE_QUOTE) {<a name="line.660"></a> -<span class="sourceLineNo">661</span> throw new IllegalArgumentException("removeQuotesFromByteArray needs a quoted byte array");<a name="line.661"></a> -<span class="sourceLineNo">662</span> } else {<a name="line.662"></a> -<span class="sourceLineNo">663</span> byte [] targetString = new byte [quotedByteArray.length - 2];<a name="line.663"></a> -<span class="sourceLineNo">664</span> Bytes.putBytes(targetString, 0, quotedByteArray, 1, quotedByteArray.length - 2);<a name="line.664"></a> -<span class="sourceLineNo">665</span> return targetString;<a name="line.665"></a> -<span class="sourceLineNo">666</span> }<a name="line.666"></a> -<span class="sourceLineNo">667</span> }<a name="line.667"></a> -<span class="sourceLineNo">668</span><a name="line.668"></a> -<span class="sourceLineNo">669</span>/**<a name="line.669"></a> -<span class="sourceLineNo">670</span> * Converts an int expressed in a byte array to an actual int<a name="line.670"></a> -<span class="sourceLineNo">671</span> * <p><a name="line.671"></a> -<span class="sourceLineNo">672</span> * This doesn't use Bytes.toInt because that assumes<a name="line.672"></a> -<span class="sourceLineNo">673</span> * that there will be {@link Bytes#SIZEOF_INT} bytes available.<a name="line.673"></a> -<span class="sourceLineNo">674</span> * <p><a name="line.674"></a> -<span class="sourceLineNo">675</span> * @param numberAsByteArray the int value expressed as a byte array<a name="line.675"></a> -<span class="sourceLineNo">676</span> * @return the int value<a name="line.676"></a> -<span class="sourceLineNo">677</span> */<a name="line.677"></a> -<span class="sourceLineNo">678</span> public static int convertByteArrayToInt (byte [] numberAsByteArray) {<a name="line.678"></a> -<span class="sourceLineNo">679</span><a name="line.679"></a> -<span class="sourceLineNo">680</span> long tempResult = ParseFilter.convertByteArrayToLong(numberAsByteArray);<a name="line.680"></a> -<span class="sourceLineNo">681</span><a name="line.681"></a> -<span class="sourceLineNo">682</span> if (tempResult > Integer.MAX_VALUE) {<a name="line.682"></a> -<span class="sourceLineNo">683</span> throw new IllegalArgumentException("Integer Argument too large");<a name="line.683"></a> -<span class="sourceLineNo">684</span> } else if (tempResult < Integer.MIN_VALUE) {<a name="line.684"></a> -<span class="sourceLineNo">685</span> throw new IllegalArgumentException("Integer Argument too small");<a name="line.685"></a> -<span class="sourceLineNo">686</span> }<a name="line.686"></a> -<span class="sourceLineNo">687</span><a name="line.687"></a> -<span class="sourceLineNo">688</span> int result = (int) tempResult;<a name="line.688"></a> -<span class="sourceLineNo">689</span> return result;<a name="line.689"></a> -<span class="sourceLineNo">690</span> }<a name="line.690"></a> -<span class="sourceLineNo">691</span><a name="line.691"></a> -<span class="sourceLineNo">692</span>/**<a name="line.692"></a> -<span class="sourceLineNo">693</span> * Converts a long expressed in a byte array to an actual long<a name="line.693"></a> -<span class="sourceLineNo">694</span> * <p><a name="line.694"></a> -<span class="sourceLineNo">695</span> * This doesn't use Bytes.toLong because that assumes<a name="line.695"></a> -<span class="sourceLineNo">696</span> * that there will be {@link Bytes#SIZEOF_INT} bytes available.<a name="line.696"></a> -<span class="sourceLineNo">697</span> * <p><a name="line.697"></a> -<span class="sourceLineNo">698</span> * @param numberAsByteArray the long value expressed as a byte array<a name="line.698"></a> -<span class="sourceLineNo">699</span> * @return the long value<a name="line.699"></a> -<span class="sourceLineNo">700</span> */<a name="line.700"></a> -<span class="sourceLineNo">701</span> public static long convertByteArrayToLong (byte [] numberAsByteArray) {<a name="line.701"></a> -<span class="sourceLineNo">702</span> if (numberAsByteArray == null) {<a name="line.702"></a> -<span class="sourceLineNo">703</span> throw new IllegalArgumentException("convertByteArrayToLong called with a null array");<a name="line.703"></a> -<span class="sourceLineNo">704</span> }<a name="line.704"></a> -<span class="sourceLineNo">705</span><a name="line.705"></a> -<span class="sourceLineNo">706</span> int i = 0;<a name="line.706"></a> -<span class="sourceLineNo">707</span> long result = 0;<a name="line.707"></a> -<span class="sourceLineNo">708</span> boolean isNegative = false;<a name="line.708"></a> -<span class="sourceLineNo">709</span><a name="line.709"></a> -<span class="sourceLineNo">710</span> if (numberAsByteArray[i] == ParseConstants.MINUS_SIGN) {<a name="line.710"></a> -<span class="sourceLineNo">711</span> i++;<a name="line.711"></a> -<span class="sourceLineNo">712</span> isNegative = true;<a name="line.712"></a> -<span class="sourceLineNo">713</span> }<a name="line.713"></a> -<span class="sourceLineNo">714</span><a name="line.714"></a> -<span class="sourceLineNo">715</span> while (i != numberAsByteArray.length) {<a name="line.715"></a> -<span class="sourceLineNo">716</span> if (numberAsByteArray[i] < ParseConstants.ZERO ||<a name="line.716"></a> -<span class="sourceLineNo">717</span> numberAsByteArray[i] > ParseConstants.NINE) {<a name="line.717"></a> -<span class="sourceLineNo">718</span> throw new IllegalArgumentException("Byte Array should only contain digits");<a name="line.718"></a> -<span class="sourceLineNo">719</span> }<a name="line.719"></a> -<span class="sourceLineNo">720</span> result = result*10 + (numberAsByteArray[i] - ParseConstants.ZERO);<a name="line.720"></a> -<span class="sourceLineNo">721</span> if (result < 0) {<a name="line.721"></a> -<span class="sourceLineNo">722</span> throw new IllegalArgumentException("Long Argument too large");<a name="line.722"></a> -<span class="sourceLineNo">723</span> }<a name="line.723"></a> -<span class="sourceLineNo">724</span> i++;<a name="line.724"></a> -<span class="sourceLineNo">725</span> }<a name="line.725"></a> -<span class="sourceLineNo">726</span><a name="line.726"></a> -<span class="sourceLineNo">727</span> if (isNegative) {<a name="line.727"></a> -<span class="sourceLineNo">728</span> return -result;<a name="line.728"></a> -<span class="sourceLineNo">729</span> } else {<a name="line.729"></a> -<span class="sourceLineNo">730</span> return result;<a name="line.730"></a> -<span class="sourceLineNo">731</span> }<a name="line.731"></a> -<span class="sourceLineNo">732</span> }<a name="line.732"></a> -<span class="sourceLineNo">733</span><a name="line.733"></a> -<span class="sourceLineNo">734</span>/**<a name="line.734"></a> -<span class="sourceLineNo">735</span> * Converts a boolean expressed in a byte array to an actual boolean<a name="line.735"></a> -<span class="sourceLineNo">736</span> *<p><a name="line.736"></a> -<span class="sourceLineNo">737</span> * This doesn't used Bytes.toBoolean because Bytes.toBoolean(byte [])<a name="line.737"></a> -<span class="sourceLineNo">738</span> * assumes that 1 stands for true and 0 for false.<a name="line.738"></a> -<span class="sourceLineNo">739</span> * Here, the byte array representing "true" and "false" is parsed<a name="line.739"></a> -<span class="sourceLineNo">740</span> * <p><a name="line.740"></a> -<span class="sourceLineNo">741</span> * @param booleanAsByteArray the boolean value expressed as a byte array<a name="line.741"></a> -<span class="sourceLineNo">742</span> * @return the boolean value<a name="line.742"></a> -<span class="sourceLineNo">743</span> */<a name="line.743"></a> -<span class="sourceLineNo">744</span> public static boolean convertByteArrayToBoolean (byte [] booleanAsByteArray) {<a name="line.744"></a> -<span class="sourceLineNo">745</span> if (booleanAsByteArray == null) {<a name="line.745"></a> -<span class="sourceLineNo">746</span> throw new IllegalArgumentException("convertByteArrayToBoolean called with a null array");<a name="line.746"></a> -<span class="sourceLineNo">747</span> }<a name="line.747"></a> -<span class="sourceLineNo">748</span><a name="line.748"></a> -<span class="sourceLineNo">749</span> if (booleanAsByteArray.length == 4 &&<a name="line.749"></a> -<span class="sourceLineNo">750</span> (booleanAsByteArray[0] == 't' || booleanAsByteArray[0] == 'T') &&<a name="line.750"></a> -<span class="sourceLineNo">751</span> (booleanAsByteArray[1] == 'r' || booleanAsByteArray[1] == 'R') &&<a name="line.751"></a> -<span class="sourceLineNo">752</span> (booleanAsByteArray[2] == 'u' || booleanAsByteArray[2] == 'U') &&<a name="line.752"></a> -<span class="sourceLineNo">753</span> (booleanAsByteArray[3] == 'e' || booleanAsByteArray[3] == 'E')) {<a name="line.753"></a> -<span class="sourceLineNo">754</span> return true;<a name="line.754"></a> -<span class="sourceLineNo">755</span> }<a name="line.755"></a> -<span class="sourceLineNo">756</span> else if (booleanAsByteArray.length == 5 &&<a name="line.756"></a> -<span class="sourceLineNo">757</span> (booleanAsByteArray[0] == 'f' || booleanAsByteArray[0] == 'F') &&<a name="line.757"></a> -<span class="sourceLineNo">758</span> (booleanAsByteArray[1] == 'a' || booleanAsByteArray[1] == 'A') &&<a name="line.758"></a> -<span class="sourceLineNo">759</span> (booleanAsByteArray[2] == 'l' || booleanAsByteArray[2] == 'L') &&<a name="line.759"></a> -<span class="sourceLineNo">760</span> (booleanAsByteArray[3] == 's' || booleanAsByteArray[3] == 'S') &&<a name="line.760"></a> -<span class="sourceLineNo">761</span> (booleanAsByteArray[4] == 'e' || booleanAsByteArray[4] == 'E')) {<a name="line.761"></a> -<span class="sourceLineNo">762</span> return false;<a name="line.762"></a> -<span class="sourceLineNo">763</span> }<a name="line.763"></a> -<span class="sourceLineNo">764</span> else {<a name="line.764"></a> -<span class="sourceLineNo">765</span> throw new IllegalArgumentException("Incorrect Boolean Expression");<a name="line.765"></a> -<span class="sourceLineNo">766</span> }<a name="line.766"></a> -<span class="sourceLineNo">767</span> }<a name="line.767"></a> -<span class="sourceLineNo">768</span><a name="line.768"></a> -<span class="sourceLineNo">769</span> /**<a name="line.769"></a> -<span class="sourceLineNo">770</span> * Takes a compareOperator symbol as a byte array and returns the corresponding CompareOperator<a name="line.770"></a> -<span class="sourceLineNo">771</span> * @deprecated Since 2.0<a name="line.771"></a> -<span class="sourceLineNo">772</span> * <p><a name="line.772"></a> -<span class="sourceLineNo">773</span> * @param compareOpAsByteArray the comparatorOperator symbol as a byte array<a name="line.773"></a> -<span class="sourceLineNo">774</span> * @return the Compare Operator<a name="line.774"></a> -<span class="sourceLineNo">775</span> */<a name="line.775"></a> -<span class="sourceLineNo">776</span> public static CompareOperator createCompareOperator (byte [] compareOpAsByteArray) {<a name="line.776"></a> -<span class="sourceLineNo">777</span> ByteBuffer compareOp = ByteBuffer.wrap(compareOpAsByteArray);<a name="line.777"></a> -<span class="sourceLineNo">778</span> if (compareOp.equals(ParseConstants.LESS_THAN_BUFFER))<a name="line.778"></a> -<span class="sourceLineNo">779</span> return CompareOperator.LESS;<a name="line.779"></a> -<span class="sourceLineNo">780</span> else if (compareOp.equals(ParseConstants.LESS_THAN_OR_EQUAL_TO_BUFFER))<a name="line.780"></a> -<span class="sourceLineNo">781</span> return CompareOperator.LESS_OR_EQUAL;<a name="line.781"></a> -<span class="sourceLineNo">782</span> else if (compareOp.equals(ParseConstants.GREATER_THAN_BUFFER))<a name="line.782"></a> -<span class="sourceLineNo">783</span> return CompareOperator.GREATER;<a name="line.783"></a> -<span class="sourceLineNo">784</span> else if (compareOp.equals(ParseConstants.GREATER_THAN_OR_EQUAL_TO_BUFFER))<a name="line.784"></a> -<span class="sourceLineNo">785</span> return CompareOperator.GREATER_OR_EQUAL;<a name="line.785"></a> -<span class="sourceLineNo">786</span> else if (compareOp.equals(ParseConstants.NOT_EQUAL_TO_BUFFER))<a name="line.786"></a> -<span class="sourceLineNo">787</span> return CompareOperator.NOT_EQUAL;<a name="line.787"></a> -<span class="sourceLineNo">788</span> else if (compareOp.equals(ParseConstants.EQUAL_TO_BUFFER))<a name="line.788"></a> -<span class="sourceLineNo">789</span> return CompareOperator.EQUAL;<a name="line.789"></a> -<span class="sourceLineNo">790</span> else<a name="line.790"></a> -<span class="sourceLineNo">791</span> throw new IllegalArgumentException("Invalid compare operator");<a name="line.791"></a> -<span class="sourceLineNo">792</span> }<a name="line.792"></a> -<span class="sourceLineNo">793</span><a name="line.793"></a> -<span class="sourceLineNo">794</span> /**<a name="line.794"></a> -<span class="sourceLineNo">795</span> * Takes a compareOperator symbol as a byte array and returns the corresponding CompareOperator<a name="line.795"></a> -<span class="sourceLineNo">796</span> * @deprecated Since 2.0<a name="line.796"></a> -<span class="sourceLineNo">797</span> * <p><a name="line.797"></a> -<span class="sourceLineNo">798</span> * @param compareOpAsByteArray the comparatorOperator symbol as a byte array<a name="line.798"></a> -<span class="sourceLineNo">799</span> * @return the Compare Operator<a name="line.799"></a> -<span class="sourceLineNo">800</span> * @deprecated Since 2.0.0. Will be removed in 3.0.0. Use {@link #createCompareOperator(byte [])}<a name="line.800"></a> -<span class="sourceLineNo">801</span> */<a name="line.801"></a> -<span class="sourceLineNo">802</span> @Deprecated<a name="line.802"></a> -<span class="sourceLineNo">803</span> public static CompareFilter.CompareOp createCompareOp (byte [] compareOpAsByteArray) {<a name="line.803"></a> -<span class="sourceLineNo">804</span> ByteBuffer compareOp = ByteBuffer.wrap(compareOpAsByteArray);<a name="line.804"></a> -<span class="sourceLineNo">805</span> if (compareOp.equals(ParseConstants.LESS_THAN_BUFFER))<a name="line.805"></a> -<span class="sourceLineNo">806</span> return CompareOp.LESS;<a name="line.806"></a> -<span class="sourceLineNo">807</span> else if (compareOp.equals(ParseConstants.LESS_THAN_OR_EQUAL_TO_BUFFER))<a name="line.807"></a> -<span class="sourceLineNo">808</span> return CompareOp.LESS_OR_EQUAL;<a name="line.808"></a> -<span class="sourceLineNo">809</span> else if (compareOp.equals(ParseConstants.GREATER_THAN_BUFFER))<a name="line.809"></a> -<span class="sourceLineNo">810</span> return CompareOp.GREATER;<a name="line.810"></a> -<span class="sourceLineNo">811</span> else if (compareOp.equals(ParseConstants.GREATER_THAN_OR_EQUAL_TO_BUFFER))<a name="line.811"></a> -<span class="sourceLineNo">812</span> return CompareOp.GREATER_OR_EQUAL;<a name="line.812"></a> -<span class="sourceLineNo">813</span> else if (compareOp.equals(ParseConstants.NOT_EQUAL_TO_BUFFER))<a name="line.813"></a> -<span class="sourceLineNo">814</span> return CompareOp.NOT_EQUAL;<a name="line.814"></a> -<span class="sourceLineNo">815</span> else if (compareOp.equals(ParseConstants.EQUAL_TO_BUFFER))<a name="line.815"></a> -<span class="sourceLineNo">816</span> return CompareOp.EQUAL;<a name="line.816"></a> -<span class="sourceLineNo">817</span> else<a name="line.817"></a> -<span class="sourceLineNo">818</span> throw new IllegalArgumentException("Invalid compare operator");<a name="line.818"></a> -<span class="sourceLineNo">819</span> }<a name="line.819"></a> -<span class="sourceLineNo">820</span><a name="line.820"></a> -<span class="sourceLineNo">821</span>/**<a name="line.821"></a> -<span class="sourceLineNo">822</span> * Parses a comparator of the form comparatorType:comparatorValue form and returns a comparator<a name="line.822"></a> -<span class="sourceLineNo">823</span> * <p><a name="line.823"></a> -<span class="sourceLineNo">824</span> * @param comparator the comparator in the form comparatorType:comparatorValue<a name="line.824"></a> -<span class="sourceLineNo">825</span> * @return the parsed comparator<a name="line.825"></a> -<span class="sourceLineNo">826</span> */<a name="line.826"></a> -<span class="sourceLineNo">827</span> public static ByteArrayComparable createComparator (byte [] comparator) {<a name="line.827"></a> -<span class="sourceLineNo">828</span> if (comparator == null)<a name="line.828"></a> -<span class="sourceLineNo">829</span> throw new IllegalArgumentException("Incorrect Comparator");<a name="line.829"></a> -<span class="sourceLineNo">830</span> byte [][] parsedComparator = ParseFilter.parseComparator(comparator);<a name="line.830"></a> -<span class="sourceLineNo">831</span> byte [] comparatorType = parsedComparator[0];<a name="line.831"></a> -<span class="sourceLineNo">832</span> byte [] comparatorValue = parsedComparator[1];<a name="line.832"></a> -<span class="sourceLineNo">833</span><a name="line.833"></a> +<span class="sourceLineNo">025</span>import java.nio.charset.StandardCharsets;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.util.Collections;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.util.EmptyStackException;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.HashMap;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import java.util.Map;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import java.util.Set;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.Stack;<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.commons.logging.Log;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.commons.logging.LogFactory;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.CompareOperator;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.39"></a> +<span class="sourceLineNo">040</span><a name="line.40"></a> +<span class="sourceLineNo">041</span>/**<a name="line.41"></a> +<span class="sourceLineNo">042</span> * This class allows a user to specify a filter via a string<a name="line.42"></a> +<span class="sourceLineNo">043</span> * The string is parsed using the methods of this class and<a name="line.43"></a> +<span class="sourceLineNo">044</span> * a filter object is constructed. This filter object is then wrapped<a name="line.44"></a> +<span class="sourceLineNo">045</span> * in a scanner object which is then returned<a name="line.45"></a> +<span class="sourceLineNo">046</span> * <p><a name="line.46"></a> +<span class="sourceLineNo">047</span> * This class addresses the HBASE-4168 JIRA. More documentation on this<a name="line.47"></a> +<span class="sourceLineNo">048</span> * Filter Language can be found at: https://issues.apache.org/jira/browse/HBASE-4176<a name="line.48"></a> +<span class="sourceLineNo">049</span> */<a name="line.49"></a> +<span class="sourceLineNo">050</span>@InterfaceAudience.Public<a name="line.50"></a> +<span class="sourceLineNo">051</span>public class ParseFilter {<a name="line.51"></a> +<span class="sourceLineNo">052</span> private static final Log LOG = LogFactory.getLog(ParseFilter.class);<a name="line.52"></a> +<span class="sourceLineNo">053</span><a name="line.53"></a> +<span class="sourceLineNo">054</span> private static HashMap<ByteBuffer, Integer> operatorPrecedenceHashMap;<a name="line.54"></a> +<span class="sourceLineNo">055</span> private static HashMap<String, String> filterHashMap;<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> static {<a name="line.57"></a> +<span class="sourceLineNo">058</span> // Registers all the filter supported by the Filter Language<a name="line.58"></a> +<span class="sourceLineNo">059</span> filterHashMap = new HashMap<>();<a name="line.59"></a> +<span class="sourceLineNo">060</span> filterHashMap.put("KeyOnlyFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.60"></a> +<span class="sourceLineNo">061</span> "KeyOnlyFilter");<a name="line.61"></a> +<span class="sourceLineNo">062</span> filterHashMap.put("FirstKeyOnlyFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.62"></a> +<span class="sourceLineNo">063</span> "FirstKeyOnlyFilter");<a name="line.63"></a> +<span class="sourceLineNo">064</span> filterHashMap.put("PrefixFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.64"></a> +<span class="sourceLineNo">065</span> "PrefixFilter");<a name="line.65"></a> +<span class="sourceLineNo">066</span> filterHashMap.put("ColumnPrefixFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.66"></a> +<span class="sourceLineNo">067</span> "ColumnPrefixFilter");<a name="line.67"></a> +<span class="sourceLineNo">068</span> filterHashMap.put("MultipleColumnPrefixFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.68"></a> +<span class="sourceLineNo">069</span> "MultipleColumnPrefixFilter");<a name="line.69"></a> +<span class="sourceLineNo">070</span> filterHashMap.put("ColumnCountGetFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.70"></a> +<span class="sourceLineNo">071</span> "ColumnCountGetFilter");<a name="line.71"></a> +<span class="sourceLineNo">072</span> filterHashMap.put("PageFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.72"></a> +<span class="sourceLineNo">073</span> "PageFilter");<a name="line.73"></a> +<span class="sourceLineNo">074</span> filterHashMap.put("ColumnPaginationFilter", ParseConstants.FILTER_PACKAGE + "." +<a name="line.74"></a> +<span class="sourceLineNo">075</span> "ColumnPaginationFilter");<a name="line
<TRUNCATED>
